/* ========================================================================
 * PROJECT: FTIR Blob Tracker
 * ========================================================================
 * This work is based on the original FTIR Blob Tracker developed by
 *   Woonhyuk Baek
 *   Woontack Woo
 *   U-VR Lab, GIST of Gwangju in Korea.
 * 
 *   http://uvr.gist.ac.kr/
 *
 * Copyright of the derived and new portions of this work
 *     (C) 2009 GIST U-VR Lab.
 *
 * This framework is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this framework; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For further information please contact 
 *   Woonhyuk Baek
 *   <windage@live.com>
 *   GIST U-VR Lab.
 *   Department of Information and Communication
 *   Gwangju Institute of Science and Technology
 *   1, Oryong-dong, Buk-gu, Gwangju
 *   South Korea
 * ========================================================================
 ** @author   Woonhyuk Baek
 * ======================================================================== */

#ifndef _HOMOGRAPHY_H_
#define _HOMOGRAPHY_H_

#include <vector>
#include <cv.h>

#include "wMatrix.h"

namespace windage
{
	class Homography
	{
	private:
		bool isFlip;
		windage::Matrix3 homography;
		std::vector<windage::Vector2>* imagePointList;
		std::vector<windage::Vector2>* objectPointList;

		int width;
		int height;

	public:
		Homography(int width = 320, int height = 240)
		{
			bool isFlip = false;
			this->SetSize(width, height);

			imagePointList = NULL;
			objectPointList = NULL;
		}
		~Homography()
		{
		}

		inline void SetFlip(){this->isFlip = true;};
		inline void ResetFlip(){this->isFlip = false;};
		inline void SetSize(int width, int height){this->width = width; this->height = height;};
		inline CvSize GetSize(){return cvSize(this->width, this->height);};

		inline void SetHomography(windage::Matrix3 homography){this->homography=homography;};
		inline windage::Matrix3 GetHomography(){return this->homography;};
		inline void AttatchImagePoints(std::vector<windage::Vector2>* imagePoints){this->imagePointList = imagePoints;};
		inline void AttatchObjectPoints(std::vector<windage::Vector2>* objectPoints){this->objectPointList = objectPoints;};

		bool Do();
		windage::Vector2 ConvertObjectToImage(windage::Vector2 point);
	};
}

#endif